1Reliable working condition 2 High efficiency 3 Stable processing capacity 4 Stable performance 5. ISO 9001:2008 Raymond Grinding Mill Application: R-type Raymond mill is used for grinding the barite, limestone, kaolin, ceramics, and slags, etc, with the hardness below scale 9.3 of Mohs and 280-odd sorts of non-inflammable and non-explosive stuff in the trades of mining, metallurgical industry, ...